Question 1

Deduce the identity of the following compound from the ¹H NMR data given. C₇H₇NO₃: δ 3.9 (3H, singlet), 6.9 (2H, doublet), 8.1 (2H, doublet) (ppm)

Accepted Answer

The answer of Deduce the identity of the following compound...

Question 2

Deduce the identity of the following compound from the ¹³C NMR data given. C₆H₁₂O: δ 29.80 (quartet), 30.82 (singlet), 56.53 (triplet), 203.36 (doublet) (ppm)

Accepted Answer

The answer of Deduce the identity of the following compound...

Question 3

Deduce the identity of the following compound from the ¹H NMR data given. C₈H₁₈O: δ 0.89 (6H, doublet), 1.87 (1H, multiplet), 3.17 (2H, doublet)(ppm)

Accepted Answer

The answer of Deduce the identity of the following compound...

Question 4

Deduce the identity of the following compound from the ¹³C NMR data given. C₄H₇Br: δ 18.0 (quartet), 33.0 (triplet), 128.0 (doublet), 131.0 (doublet) (ppm)

Accepted Answer

The answer of Deduce the identity of the following compound...

Question 5

Deduce the identity of the following compound from the ¹H NMR data given. C₅H₁₂O: δ 1.0 (3H, triplet), 1.2-1.8 (6H, multiplet), 3.0 (1H, broad singlet), 3.8 (2H, triplet) (ppm)

Accepted Answer

The answer of Deduce the identity of the following compound...

Question 6

Deduce the identity of the following compound from the ¹H NMR data given. C₇H₁₂O₄: δ 1.3 (6H, triplet), 3.4 (2H, singlet), 4.2 (4H, quartet) (ppm)

Accepted Answer

The answer of Deduce the identity of the following compound...

Question 7

Deduce the identity of the following compound from the ¹H NMR data given. C₆H₁₀O₂: δ 2.19 (3H, singlet), 2.70 (2H, singlet) (ppm)

Accepted Answer

The answer of Deduce the identity of the following compound...

Question 8

Deduce the identity of the following compound from the ¹³C NMR data given. C₈H₈O: δ 26.4 (quartet), 128.0 (doublet), 128.3 (doublet), 133.0 (doublet), 137.0 (singlet), 198.0 (singlet) (ppm)

Accepted Answer

The answer of Deduce the identity of the following compound...

Question 9

Using the scale below, draw the ¹H NMR spectrum for isobutyl acetate, shown below. Present the peaks with correct splitting patterns and at the approximate chemical shift (+/- 0.5 ppm). Just above each peak, indicate the relative integration value of each type of hydrogen.

Accepted Answer

The answer of Using the scale below, draw the ¹H...

Question 10

Deduce the identity of the following compound from the spectral data given. C₈H₁₀: ¹H NMR, δ 1.20 (3H, triplet), 2.60 (2H, quartet), 7.12 (5H, singlet) (ppm); IR, 3050, 2970, MS, m/z 91

Accepted Answer

The answer of Deduce the identity of the following compound...

Question 11

Provide a structure that is consistent with the data below. C₇H₁₄O₂ IR (cm^-1): $~~~~~~~~$$~~ ~~~$2950, 1740 ¹H NMR ( d):$~~~~~~~~$ 2.3 (2H, q), 1.0 (3H, t), 0.9 (9H, s) ¹³C NMR (d ): $~~~~ ~~~$185 (s), 78 (s), 29 (t), 14 (q), 12 (q)

Accepted Answer

The answer of Provide a structure that is consistent with...

Question 12

Why is Fourier transform NMR spectroscopy preferred over continuous wave as a technique for

Accepted Answer

The answer of Why is Fourier transform NMR spectroscopy preferred...

Question 13

Provide a structure that is consistent with the data below. C₅H₁₀O IR (cm^-1):$~~~~~~~~$ 2950, 1720 ¹H NMR ( d): 2.6 (1H, septet), 2.1 (3H, s), 1.0 (6H, d) ¹³C NMR (d ):$~~~~~~~~$ 195 (s), 42 (d), 18 (q), 11 (q)

Accepted Answer

The answer of Provide a structure that is consistent with...

Question 14

Deduce the identity of the following compound from the ¹H NMR data given. C₄H₁₁N: δ 0.90 (3H, triplet), 1.07 (3H, doublet), 1.14 (2H, broad singlet), 1.34 (2H, multiplet), 2.79 (1H, multiplet) (ppm)

Accepted Answer

The answer of Deduce the identity of the following compound...

Question 15

How might the two trimethylcyclohexane isomers shown below be most readily distinguished using NMR?

Accepted Answer

The answer of How might the two trimethylcyclohexane isomers shown...

Question 16

Provide a structure that is consistent with the data below. C₆H₁₀ IR (cm^-1): $~~~~~~~~$2950, 2230 ¹H NMR ( d): 2.0 (1H, septet), 1.8 (3H, s), 0.9 (6H, d) ¹³C NMR (d ): $~~~ ~~$78 (s), 72 (s), 45 (d), 18 (q), 15 (q)

Accepted Answer

The answer of Provide a structure that is consistent with...

Question 17

Deduce the identity of the compound whose molecular formula is C₄H₈O₃ from the spectral data provided: IR (cm^-1): 2800-3300 (broad), 2950, 1750; ¹³C NMR (δ): 17.7 (q), 65.4 (q), 72.3 (d), 210.8 (s) (ppm)

Accepted Answer

The answer of Deduce the identity of the compound whose...

Question 18

Provide a structure that is consistent with the data below. C₅H₈Cl₂ IR (cm^-1): $~~~~~~~~$$~~~~~ ~$2950 ¹H NMR ( d): $~~~~~~~~$1.4 (4H, t), 1.2 (4H, t) ¹³C NMR (d ): $~~~~~~~~$62 (s), 26 (t), 23 (t)

Accepted Answer

The answer of Provide a structure that is consistent with...

Question 19

Deduce the identity of the compound whose molecular formula is C₈H₁₄ from the spectral data provided: IR (cm^-1): 2950, 2180; ¹H NMR (δ): 0.9 (3H, t), 1.0 (9H, s), 2.3 (2H, q) (ppm).

Accepted Answer

The answer of Deduce the identity of the compound whose...

Question 20

Deduce the identity of the following compound from the ¹³C NMR data given. C₄H₁₀O: δ 10.0 (quartet), 22.9 (quartet), 32.0 (triplet), 69.6 (doublet) (ppm)

Accepted Answer

The answer of Deduce the identity of the following compound...

Quiz 13: Nuclear Magnetic Resonance Spectroscopy

Deduce the identity of the following compound from the ¹H NMR data given. C₇H₇NO₃: δ 3.9 (3H, singlet), 6.9 (2H, doublet), 8.1 (2H, doublet) (ppm)

Deduce the identity of the following compound from the ¹³C NMR data given. C₆H₁₂O: δ 29.80 (quartet), 30.82 (singlet), 56.53 (triplet), 203.36 (doublet) (ppm)

Deduce the identity of the following compound from the ¹H NMR data given. C₈H₁₈O: δ 0.89 (6H, doublet), 1.87 (1H, multiplet), 3.17 (2H, doublet)(ppm)

Deduce the identity of the following compound from the ¹³C NMR data given. C₄H₇Br: δ 18.0 (quartet), 33.0 (triplet), 128.0 (doublet), 131.0 (doublet) (ppm)

Deduce the identity of the following compound from the ¹H NMR data given. C₅H₁₂O: δ 1.0 (3H, triplet), 1.2-1.8 (6H, multiplet), 3.0 (1H, broad singlet), 3.8 (2H, triplet) (ppm)

Deduce the identity of the following compound from the ¹H NMR data given. C₇H₁₂O₄: δ 1.3 (6H, triplet), 3.4 (2H, singlet), 4.2 (4H, quartet) (ppm)

Deduce the identity of the following compound from the ¹H NMR data given. C₆H₁₀O₂: δ 2.19 (3H, singlet), 2.70 (2H, singlet) (ppm)

Deduce the identity of the following compound from the ¹³C NMR data given. C₈H₈O: δ 26.4 (quartet), 128.0 (doublet), 128.3 (doublet), 133.0 (doublet), 137.0 (singlet), 198.0 (singlet) (ppm)

Using the scale below, draw the ¹H NMR spectrum for isobutyl acetate, shown below. Present the peaks with correct splitting patterns and at the approximate chemical shift (+/- 0.5 ppm). Just above each peak, indicate the relative integration value of each type of hydrogen.

Deduce the identity of the following compound from the spectral data given. C₈H₁₀: ¹H NMR, δ 1.20 (3H, triplet), 2.60 (2H, quartet), 7.12 (5H, singlet) (ppm); IR, 3050, 2970, MS, m/z 91

Provide a structure that is consistent with the data below. C₇H₁₄O₂ IR (cm^-1): $~~~~~~$ $ ~$ 2950, 1740 ¹H NMR ( d): $~~~~$ 2.3 (2H, q), 1.0 (3H, t), 0.9 (9H, s) ¹³C NMR (d ): $ ~$ 185 (s), 78 (s), 29 (t), 14 (q), 12 (q)

Why is Fourier transform NMR spectroscopy preferred over continuous wave as a technique for

Provide a structure that is consistent with the data below. C₅H₁₀O IR (cm^-1): $$ 2950, 1720 ¹H NMR ( d): 2.6 (1H, septet), 2.1 (3H, s), 1.0 (6H, d) ¹³C NMR (d ): $$ 195 (s), 42 (d), 18 (q), 11 (q)

Deduce the identity of the following compound from the ¹H NMR data given. C₄H₁₁N: δ 0.90 (3H, triplet), 1.07 (3H, doublet), 1.14 (2H, broad singlet), 1.34 (2H, multiplet), 2.79 (1H, multiplet) (ppm)

How might the two trimethylcyclohexane isomers shown below be most readily distinguished using NMR?

Provide a structure that is consistent with the data below. C₆H₁₀ IR (cm^-1): $~~~~~~$ 2950, 2230 ¹H NMR ( d): 2.0 (1H, septet), 1.8 (3H, s), 0.9 (6H, d) ¹³C NMR (d ): $~ ~~$ 78 (s), 72 (s), 45 (d), 18 (q), 15 (q)

Deduce the identity of the compound whose molecular formula is C₄H₈O₃ from the spectral data provided: IR (cm^-1): 2800-3300 (broad), 2950, 1750; ¹³C NMR (δ): 17.7 (q), 65.4 (q), 72.3 (d), 210.8 (s) (ppm)

Provide a structure that is consistent with the data below. C₅H₈Cl₂ IR (cm^-1): $~~~~$ $~ ~$ 2950 ¹H NMR ( d): $$ 1.4 (4H, t), 1.2 (4H, t) ¹³C NMR (d ): $$ 62 (s), 26 (t), 23 (t)

Deduce the identity of the compound whose molecular formula is C₈H₁₄ from the spectral data provided: IR (cm^-1): 2950, 2180; ¹H NMR (δ): 0.9 (3H, t), 1.0 (9H, s), 2.3 (2H, q) (ppm).

Deduce the identity of the following compound from the ¹³C NMR data given. C₄H₁₀O: δ 10.0 (quartet), 22.9 (quartet), 32.0 (triplet), 69.6 (doublet) (ppm)

Quiz 13: Nuclear Magnetic Resonance Spectroscopy

Deduce the identity of the following compound from the 1H NMR data given. C7H7NO3: δ 3.9 (3H, singlet), 6.9 (2H, doublet), 8.1 (2H, doublet) (ppm)

Deduce the identity of the following compound from the 13C NMR data given. C6H12O: δ 29.80 (quartet), 30.82 (singlet), 56.53 (triplet), 203.36 (doublet) (ppm)

Deduce the identity of the following compound from the 1H NMR data given. C8H18O: δ 0.89 (6H, doublet), 1.87 (1H, multiplet), 3.17 (2H, doublet)(ppm)

Deduce the identity of the following compound from the 13C NMR data given. C4H7Br: δ 18.0 (quartet), 33.0 (triplet), 128.0 (doublet), 131.0 (doublet) (ppm)

Deduce the identity of the following compound from the 1H NMR data given. C5H12O: δ 1.0 (3H, triplet), 1.2-1.8 (6H, multiplet), 3.0 (1H, broad singlet), 3.8 (2H, triplet) (ppm)

Deduce the identity of the following compound from the 1H NMR data given. C7H12O4: δ 1.3 (6H, triplet), 3.4 (2H, singlet), 4.2 (4H, quartet) (ppm)

Deduce the identity of the following compound from the 1H NMR data given. C6H10O2: δ 2.19 (3H, singlet), 2.70 (2H, singlet) (ppm)

Deduce the identity of the following compound from the 13C NMR data given. C8H8O: δ 26.4 (quartet), 128.0 (doublet), 128.3 (doublet), 133.0 (doublet), 137.0 (singlet), 198.0 (singlet) (ppm)

Using the scale below, draw the 1H NMR spectrum for isobutyl acetate, shown below. Present the peaks with correct splitting patterns and at the approximate chemical shift (+/- 0.5 ppm). Just above each peak, indicate the relative integration value of each type of hydrogen.

Deduce the identity of the following compound from the spectral data given. C8H10: 1H NMR, δ 1.20 (3H, triplet), 2.60 (2H, quartet), 7.12 (5H, singlet) (ppm); IR, 3050, 2970, MS, m/z 91

Provide a structure that is consistent with the data below. C7H14O2 IR (cm-1): ~~~~~~~~ ~~ ~~~ 2950, 1740 1H NMR ( d): ~~~~~~~~ 2.3 (2H, q), 1.0 (3H, t), 0.9 (9H, s) 13C NMR (d ): ~~~~ ~~~ 185 (s), 78 (s), 29 (t), 14 (q), 12 (q)

Why is Fourier transform NMR spectroscopy preferred over continuous wave as a technique for

Provide a structure that is consistent with the data below. C5H10O IR (cm-1): ~~~~~~~~ 2950, 1720 1H NMR ( d): 2.6 (1H, septet), 2.1 (3H, s), 1.0 (6H, d) 13C NMR (d ): ~~~~~~~~ 195 (s), 42 (d), 18 (q), 11 (q)

Deduce the identity of the following compound from the 1H NMR data given. C4H11N: δ 0.90 (3H, triplet), 1.07 (3H, doublet), 1.14 (2H, broad singlet), 1.34 (2H, multiplet), 2.79 (1H, multiplet) (ppm)

How might the two trimethylcyclohexane isomers shown below be most readily distinguished using NMR?

Provide a structure that is consistent with the data below. C6H10 IR (cm-1): ~~~~~~~~ 2950, 2230 1H NMR ( d): 2.0 (1H, septet), 1.8 (3H, s), 0.9 (6H, d) 13C NMR (d ): ~~~ ~~ 78 (s), 72 (s), 45 (d), 18 (q), 15 (q)

Deduce the identity of the compound whose molecular formula is C4H8O3 from the spectral data provided: IR (cm-1): 2800-3300 (broad), 2950, 1750; 13C NMR (δ): 17.7 (q), 65.4 (q), 72.3 (d), 210.8 (s) (ppm)

Provide a structure that is consistent with the data below. C5H8Cl2 IR (cm-1): ~~~~~~~~ ~~~~~ ~ 2950 1H NMR ( d): ~~~~~~~~ 1.4 (4H, t), 1.2 (4H, t) 13C NMR (d ): ~~~~~~~~ 62 (s), 26 (t), 23 (t)

Deduce the identity of the compound whose molecular formula is C8H14 from the spectral data provided: IR (cm-1): 2950, 2180; 1H NMR (δ): 0.9 (3H, t), 1.0 (9H, s), 2.3 (2H, q) (ppm).

Deduce the identity of the following compound from the 13C NMR data given. C4H10O: δ 10.0 (quartet), 22.9 (quartet), 32.0 (triplet), 69.6 (doublet) (ppm)

Deduce the identity of the following compound from the ¹H NMR data given. C₇H₇NO₃: δ 3.9 (3H, singlet), 6.9 (2H, doublet), 8.1 (2H, doublet) (ppm)

Deduce the identity of the following compound from the ¹³C NMR data given. C₆H₁₂O: δ 29.80 (quartet), 30.82 (singlet), 56.53 (triplet), 203.36 (doublet) (ppm)

Deduce the identity of the following compound from the ¹H NMR data given. C₈H₁₈O: δ 0.89 (6H, doublet), 1.87 (1H, multiplet), 3.17 (2H, doublet)(ppm)

Deduce the identity of the following compound from the ¹³C NMR data given. C₄H₇Br: δ 18.0 (quartet), 33.0 (triplet), 128.0 (doublet), 131.0 (doublet) (ppm)

Deduce the identity of the following compound from the ¹H NMR data given. C₅H₁₂O: δ 1.0 (3H, triplet), 1.2-1.8 (6H, multiplet), 3.0 (1H, broad singlet), 3.8 (2H, triplet) (ppm)

Deduce the identity of the following compound from the ¹H NMR data given. C₇H₁₂O₄: δ 1.3 (6H, triplet), 3.4 (2H, singlet), 4.2 (4H, quartet) (ppm)

Deduce the identity of the following compound from the ¹H NMR data given. C₆H₁₀O₂: δ 2.19 (3H, singlet), 2.70 (2H, singlet) (ppm)

Deduce the identity of the following compound from the ¹³C NMR data given. C₈H₈O: δ 26.4 (quartet), 128.0 (doublet), 128.3 (doublet), 133.0 (doublet), 137.0 (singlet), 198.0 (singlet) (ppm)

Using the scale below, draw the ¹H NMR spectrum for isobutyl acetate, shown below. Present the peaks with correct splitting patterns and at the approximate chemical shift (+/- 0.5 ppm). Just above each peak, indicate the relative integration value of each type of hydrogen.

Deduce the identity of the following compound from the spectral data given. C₈H₁₀: ¹H NMR, δ 1.20 (3H, triplet), 2.60 (2H, quartet), 7.12 (5H, singlet) (ppm); IR, 3050, 2970, MS, m/z 91

Provide a structure that is consistent with the data below. C₇H₁₄O₂ IR (cm^-1): $~~~~~~$ $ ~$ 2950, 1740 ¹H NMR ( d): $~~~~$ 2.3 (2H, q), 1.0 (3H, t), 0.9 (9H, s) ¹³C NMR (d ): $ ~$ 185 (s), 78 (s), 29 (t), 14 (q), 12 (q)

Provide a structure that is consistent with the data below. C₅H₁₀O IR (cm^-1): $$ 2950, 1720 ¹H NMR ( d): 2.6 (1H, septet), 2.1 (3H, s), 1.0 (6H, d) ¹³C NMR (d ): $$ 195 (s), 42 (d), 18 (q), 11 (q)

Deduce the identity of the following compound from the ¹H NMR data given. C₄H₁₁N: δ 0.90 (3H, triplet), 1.07 (3H, doublet), 1.14 (2H, broad singlet), 1.34 (2H, multiplet), 2.79 (1H, multiplet) (ppm)

Provide a structure that is consistent with the data below. C₆H₁₀ IR (cm^-1): $~~~~~~$ 2950, 2230 ¹H NMR ( d): 2.0 (1H, septet), 1.8 (3H, s), 0.9 (6H, d) ¹³C NMR (d ): $~ ~~$ 78 (s), 72 (s), 45 (d), 18 (q), 15 (q)

Deduce the identity of the compound whose molecular formula is C₄H₈O₃ from the spectral data provided: IR (cm^-1): 2800-3300 (broad), 2950, 1750; ¹³C NMR (δ): 17.7 (q), 65.4 (q), 72.3 (d), 210.8 (s) (ppm)

Provide a structure that is consistent with the data below. C₅H₈Cl₂ IR (cm^-1): $~~~~$ $~ ~$ 2950 ¹H NMR ( d): $$ 1.4 (4H, t), 1.2 (4H, t) ¹³C NMR (d ): $$ 62 (s), 26 (t), 23 (t)

Deduce the identity of the compound whose molecular formula is C₈H₁₄ from the spectral data provided: IR (cm^-1): 2950, 2180; ¹H NMR (δ): 0.9 (3H, t), 1.0 (9H, s), 2.3 (2H, q) (ppm).

Deduce the identity of the following compound from the ¹³C NMR data given. C₄H₁₀O: δ 10.0 (quartet), 22.9 (quartet), 32.0 (triplet), 69.6 (doublet) (ppm)